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2153807534 = 25320318939
BaseRepresentation
bin1000000001100000…
…0111111010101110
312120002202202111102
42000120013322232
513402333320114
6553415323102
7104242030154
oct20030077256
95502682442
102153807534
11a0584a52a
12501380492
132842aa338
141660953d4
15c91452de
hex80607eae

2153807534 has 8 divisors (see below), whose sum is σ = 3291668280. Its totient is φ = 1056584776.

The previous prime is 2153807479. The next prime is 2153807543. The reversal of 2153807534 is 4357083512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21538075342 = 9277773787030322312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10159364 + ... + 10159575.

It is an arithmetic number, because the mean of its divisors is an integer number (411458535).

Almost surely, 22153807534 is an apocalyptic number.

2153807534 is a deficient number, since it is larger than the sum of its proper divisors (1137860746).

2153807534 is a wasteful number, since it uses less digits than its factorization.

2153807534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20318994.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 2153807534 is about 46409.1320108446. The cubic root of 2153807534 is about 1291.4243294645.

The spelling of 2153807534 in words is "two billion, one hundred fifty-three million, eight hundred seven thousand, five hundred thirty-four".

Divisors: 1 2 53 106 20318939 40637878 1076903767 2153807534